Avaliação da qualidade da água na região da Prainha da Represa Salto Santiago localizado no Rio Bonito do Iguaçu-PR

Abstract

Human interference is one of the major causes of alteration of water quality, such as hydroelectric plants. There are several ways to assess the impacts caused on the aquatic environment, which is by analyzing parameters to know the quality of the water. The objective of this work was to analyze and evaluate the water quality of the reservoir of the Salto Santiago dam in the region of Prainha, which is located in the city of Rio Bonito do Iguaçu - PR. There are several parameters that can be used to define water quality, some examples are physical ones such as turbidity, temperature and total solids and chemical ones such as hydrogen ion potential (pH), dissolved oxygen (DO) and ammonia. Five collection points were defined, which were carried out in three phases, performing on-site analyzes (OD and temperature) and collecting samples for laboratory analysis (ammonia, turbidity, pH and total solids). When evaluating the data obtained, it was possible to observe that there were variations in the parameters and variables analyzed between the points, and between the collections. Even with variations, the water quality of the dam in the Prainha region was within the correct range, being considered good for the aquatic organisms that live there.